<template>
    <div>
        <!-- 全局挂载 -->
        <button>按钮</button>
    </div>
</template>

<script>

export default {
    name: 'xmButton'
}
</script>


<style>
    .button {
        width: 40px;
        height: 100px;
        border: 1px solid #000;
        background-color: blue;
    }
</style>